Beaverton police are asking for help in finding a missing 22-year-old man.

Jose Diaz-Guietterez was last seen about 8 a.m. this morning in front of his home in the 12000 block of Southwest Conestoga Drive, according to the Beaverton Police Department. Diaz-Guietterez has Down syndrome, police said, and a mental capacity equivalent to a 9-year-old.

Diaz-Guietterez was waiting for a bus this morning, but did not get on it. He is described as 5-foot-3 and about 190 pounds with brown eyes and black hair, police said. He was last seen wearing a white shirt, black jacket, black sweat pants with a white stripe and white Nike shoes.

Officers are searching for Diaz-Guietterez. Anyone with information is asked to call Beaverton police at 503-629-0111.